115 lines
3.3 KiB
C
115 lines
3.3 KiB
C
/*
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* Cogl
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*
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* A Low Level GPU Graphics and Utilities API
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*
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* Copyright (C) 2011 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors:
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* Robert Bragg <robert@linux.intel.com>
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*/
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#include "cogl-config.h"
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#include "cogl/cogl-util.h"
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#include "cogl/cogl-depth-state-private.h"
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#include "cogl/cogl-depth-state.h"
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void
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cogl_depth_state_init (CoglDepthState *state)
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{
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state->magic = COGL_DEPTH_STATE_MAGIC;
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/* The same as the GL defaults */
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state->test_enabled = FALSE;
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state->write_enabled = TRUE;
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state->test_function = COGL_DEPTH_TEST_FUNCTION_LESS;
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state->range_near = 0;
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state->range_far = 1;
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}
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void
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cogl_depth_state_set_test_enabled (CoglDepthState *state,
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gboolean enabled)
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{
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g_return_if_fail (state->magic == COGL_DEPTH_STATE_MAGIC);
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state->test_enabled = enabled;
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}
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gboolean
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cogl_depth_state_get_test_enabled (CoglDepthState *state)
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{
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g_return_val_if_fail (state->magic == COGL_DEPTH_STATE_MAGIC, FALSE);
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return state->test_enabled;
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}
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void
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cogl_depth_state_set_write_enabled (CoglDepthState *state,
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gboolean enabled)
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{
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g_return_if_fail (state->magic == COGL_DEPTH_STATE_MAGIC);
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state->write_enabled = enabled;
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}
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gboolean
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cogl_depth_state_get_write_enabled (CoglDepthState *state)
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{
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g_return_val_if_fail (state->magic == COGL_DEPTH_STATE_MAGIC, FALSE);
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return state->write_enabled;
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}
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void
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cogl_depth_state_set_test_function (CoglDepthState *state,
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CoglDepthTestFunction function)
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{
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g_return_if_fail (state->magic == COGL_DEPTH_STATE_MAGIC);
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state->test_function = function;
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}
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CoglDepthTestFunction
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cogl_depth_state_get_test_function (CoglDepthState *state)
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{
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g_return_val_if_fail (state->magic == COGL_DEPTH_STATE_MAGIC, FALSE);
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return state->test_function;
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}
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void
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cogl_depth_state_set_range (CoglDepthState *state,
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float near,
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float far)
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{
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g_return_if_fail (state->magic == COGL_DEPTH_STATE_MAGIC);
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state->range_near = near;
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state->range_far = far;
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}
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void
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cogl_depth_state_get_range (CoglDepthState *state,
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float *near_out,
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float *far_out)
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{
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g_return_if_fail (state->magic == COGL_DEPTH_STATE_MAGIC);
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*near_out = state->range_near;
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*far_out = state->range_far;
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}
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